package hr.dao;

import hr.entities.Employees;

import java.util.Date;
import java.util.List;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;

/**
 * Data access object (DAO) for domain model class Employees.
 * 
 * @see hr.entities.Employees
 * @author MyEclipse Persistence Tools
 */

public class EmployeesDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(EmployeesDAO.class);
	// property constants
	public static final String FIRST_NAME = "firstName";
	public static final String LAST_NAME = "lastName";
	public static final String EMAIL = "email";
	public static final String PHONE_NUMBER = "phoneNumber";
	public static final String SALARY = "salary";
	public static final String COMMISSION_PCT = "commissionPct";

	public void save(Employees transientInstance) {
		log.debug("saving Employees instance");
		try {
			getSession().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(Employees persistentInstance) {
		log.debug("deleting Employees instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Employees findById(java.lang.Long id) {
		log.debug("getting Employees instance with id: " + id);
		try {
			Employees instance = (Employees) getSession().get("hr.Employees",
					id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Employees instance) {
		log.debug("finding Employees instance by example");
		try {
			List results = getSession().createCriteria("hr.Employees").add(
					Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Employees instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Employees as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByFirstName(Object firstName) {
		return findByProperty(FIRST_NAME, firstName);
	}

	public List findByLastName(Object lastName) {
		return findByProperty(LAST_NAME, lastName);
	}

	public List findByEmail(Object email) {
		return findByProperty(EMAIL, email);
	}

	public List findByPhoneNumber(Object phoneNumber) {
		return findByProperty(PHONE_NUMBER, phoneNumber);
	}

	public List findBySalary(Object salary) {
		return findByProperty(SALARY, salary);
	}

	public List findByCommissionPct(Object commissionPct) {
		return findByProperty(COMMISSION_PCT, commissionPct);
	}

	public List findAll() {
		log.debug("finding all Employees instances");
		try {
			String queryString = "from Employees";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Employees merge(Employees detachedInstance) {
		log.debug("merging Employees instance");
		try {
			Employees result = (Employees) getSession().merge(detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Employees instance) {
		log.debug("attaching dirty Employees instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Employees instance) {
		log.debug("attaching clean Employees instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}